Supplement No.

RULES FOR ELECTRIC SERVICE

RULE 6A - STAND-BY SERVICE

FOR QUALIFYING FACILITIES

A. APPLICATION STAND-BY SERVICE

(1) The Company will supply Stand-by Basic Utility Supply Service under terms of this Ruleto: (a) Qualifying Facilities (QFs) as defined in the Public Utility Regulatory Policies Act of 1978, or(b) a customer that contracts with a QF and that must be served under the requirements of eitherfederal or state law. (2) Stand-by Basic Utility Supply Service is provided only where the Company has availablecapacity and facilities adequate for the service requested and only pursuant to a power purchase orinterconnection agreement with the Company. (3) Customers selecting Rule 6A do not qualify for the Net Service provision of Rule 11.B. TYPES OF STAND-BY SERVICE AVAILABLE (1) Supplementary Power is electric energy or capacity supplied by the Company andregularly used in addition to that energy or capacity supplied by that QF. All energy or capacitysupplied by the Company under this rule shall be Supplementary Power unless it is provided asBack-up Power or Maintenance Power as defined below. (2) Back-up Power is electric energy or capacity supplied by the Company to replace (C)energy or capacity regularly supplied by the QF's equipment when such equipment is not availableduring an outage other than prescheduled maintenance or fuel supply disruptions. An outage isdefined as the forced interruption of the QF’s entire generation output. Back-up Power shall belimited to 1,314 hours during the most recent consecutive twelve-month billing periods. Anyadditional power supplied above the 1,314 hour limit shall be billed as Supplementary Power. TheQF must provide the Company with a written notification of the use of Back-up Power within sevenbusiness days after conclusion of the use. This notification must include the day and time at whichthe use of Back-up Power began, the reason for the usage, and the actual duration of the use ofBack-up Power. (3) Maintenance Power is electric energy or capacity supplied by the Company during aprescheduled maintenance outage of the QF's generating equipment. Maintenance Power isavailable for not more than 70 days per year and must be scheduled during the periods March 16 toMay 31, and September 16 to November 30. The QF must confirm with the Company in writing 60days before receiving such power and indicate the required capacity and proposed duration ofMaintenance Power use. The required capacity and proposed duration of Maintenance Power usecan be changed after the 60-day notice is given, but before the outage occurs, by mutual writtenagreement between the Company and the QF. The QF must provide the Company a writtennotification of the use of Maintenance Power within seven business days after the conclusion of theuse. This notification must include the day and time at which the use of Maintenance Power beganand the actual duration of the use of Maintenance Power.C. INTERCONNECTED AND PARALLEL OPERATION The QF shall comply with all Company requirements concerning interconnected or paralleloperations. These requirements are on file with the Commission as part of the Company's annualPURPA Section 210 filing and/or are contained in power purchase and interconnection agreementsbetween the Company and QFs. (Continued)

D. INTERRUPTIBLE OPTION Back-up Power is available on an Interruptible basis to QFs with generators rated in excess of500 KW. Interruptible Back-up Power may be interrupted when, in the Company's opinion, anygeneration, transmission, or distribution capacity limitations exist or during periods of economic loadcontrol. Whenever possible, the QF will be notified in advance of a probable interruption and theestimated duration of the interruption. If the QF fails to interrupt, a penalty of $24.95 per KW shallbe billed for each KW that has not been interrupted, in addition to applicable Back-up Powercharges. The Company will notify the QF by telephone at the conclusion of the interruption. Acredit of $0.35/KW for Service at 480 volts or less, $0.30/KW for Service at 12,470 volts, $0.25/KWfor Service at 69,000 volts or higher will be applied to the QF's monthly bill for each KW interruptedin any month in which an interruption is requested. No credits will be applied if the QF fails tointerrupt all Back-up Power.

E. RATES FOR STAND-BY SERVICE

(1) Supplementary Power is metered and billed separately under the Company's applicablegeneral service rate schedule. (2) (a) Back-up Power is billed separately. The billing is based on KW demand and KWH registered on the Company's meters. Where such actual KW demand use exceeds the KW specified under paragraph G, such excess KW and, on a percentage basis, the associated KWH shall be billed as Supplementary Power. When metered KW demand use is not available, the KW demand billed will be based on the KW of Back-up Power specified under paragraph G. When metered KWH use is not available, the KWH energy billed under the Back-up Power rates will be calculated by multiplying the KW of Back-up Power specified under paragraph G by the number of hours of the unscheduled outage. (b) The QF will pay a Monthly Reservation Charge equal to the KW of Back-up Power specified under paragraph G multiplied by the Back-up Power capacity charge. The monthly minimum bill shall be the greater of the Monthly Reservation Charge or charges for actual Back-up Power usage. (c) Back-up Power will be billed using the following charges: (C)

Service at Service at 480 Volts Service at 69,000 Volts or Less 12,470 Volts or HigherDistribution Charge $1.525/KW $0.987/KW $0.089/KW 0.232¢/KWH 0.043¢/KWH 0.000¢/KWH

Competitive Transition Charge 0.000¢/KWH 0.000¢/KWH 0.000¢/KWH

(Effective 7-26-10 through 12-31-10)

The Competitive Transition Charge Reconciliation Rider included in this Tariff applies to theabove Competitive Transition Charges.

E. RATES FOR STAND-BY SERVICE (Continued)

Transmission Service Charge The Transmission Service Charge included in this Tariff applies to all KW and/or KWH billed underthis Tariff Rule.

Generation Supply Charge

The Generation Supply Charge included in this Tariff applies to all KWH billed under this rateschedule.

Riders The Riders included in this Tariff apply to this Rate Schedule are listed in the Rider Matrix on Page14D.

The State Tax Adjustment Surcharge included in this Tariff shall be applied to the above charges. (3) (a) Maintenance Power is billed separately. The billing is based on the KWH registered on the Company's meters. When metered KWH use is not available, the KWH energy billed under the Maintenance Power rates will be calculated by multiplying the KW of Maintenance Power specified under paragraph G by the number of hours of the use of Maintenance Power. (b) Maintenance Power will be billed using the following charges:

Service at Service at 480 Volts Service at 69,000 Volts or Less 12,470 Volts or Higher

0.232¢/KWH 0.043¢/KWH 0.000¢/KWH (C)

Distribution Charge

Competitive Transition Charge 0.000¢/KWH 0.000¢/KWH 0.000¢/KWH

(Effective 7-26-10 through 12-31-10)

The Competitive Transition Charge Reconciliation Rider included in this Tariff applies to the aboveCompetitive Transition Charges.

Transmission Service Charge

The Transmission Service Charge included in this Tariff applies to all KW and/or KWH billed underthis Tariff Rule.

Generation Supply Charge

The Generation Supply Charge included in this Tariff applies to all KWH billed under this rateschedule.

RULE 6A - STAND-BY SERVICE (C)

FOR QUALIFYING FACILITIES (CONTINUED)F. KW DEMAND The KW Demand is the average number of Kilowatts supplied during the 15 minute period ofmaximum use during the current billing period.G. DATA REQUIREMENTS The QF must supply the Company with an annual written notice, on or before September 1, of itsStand-by Service needs for the subsequent calendar year. This notice must contain the followinginformation necessary to implement this Tariff:  KW of Back-up Power  Designation of Back-up Power as Firm or Interruptible  KW of Maintenance Power and preliminary schedule for use thereof

The QF shall provide any data, books or records that Company may request to confirm or checkthe extent, type or duration of any QF outages.H. PAYMENT The rates stated in this Tariff apply when bills are paid on or before the due date specified on thebill, which is not less than 15 days from the date the bill is mailed. When not so paid, a one time latepayment charge equal to 5% of the first $200.00 of the then unpaid balance plus 2% on theremainder will be added to the unpaid amount.I. ADJUSTMENTS TO COMPETITIVE TRANSITION (C) (1) Except as provided for in subsection (2), if a customer installs on-site generation, which, after January 1, 1999, operates in parallel with other generation on the Company’s system and which reduces by 10% or more the customer’s purchases of electricity through the Company’s transmission and distribution network, the customer’s fully allocated share of transition or stranded costs shall be recovered from the customer through the CTC. (2) If an existing industrial or commercial customer installs on-site generation with an installed capacity of 4 MW or more or expands existing on-site generation by 4 MW or more after January 1, 1999 and prior to December 31, 2009, and the customer can document that it had concluded a written economic feasibility study of self-generation as of December 31, 1996 or earlier, then, in addition to any other applicable charges, the Company will calculate a separate bill annually in the first quarter of each calendar year in the Transition Period for one-third of the difference between: a) the amount of annual CTC revenue that the customer would have been billed by the Company based on the customer’s average billing demand and energy usage for the calendar year 1996 and the prevailing CTC charge in the Rate Schedule applicable to that customer and b) the amount of annual CTC actually billed in the just completed calendar year with the self-generation in operation, using the prevailing CTC charge in the Rate Schedule applicable to that customer. For purposes of this provision, self-generation means self-generation which had not commenced operation as of December 31, 1998 or additions and/or expansions of self-generation which existed prior to December 31, 1998. This charge is in addition to all other applicable Tariff charges and will be paid monthly.